I’ll be going to school on foot while my bicycle .
A. is being repaired
B. is repaired
C. will repaired
D. has been repaired
网友回答
(答案→)A. is being repaired
B. is repaired
C. will repaired
D. has been repaired
解析：考察时态。句意：当我的自行车正在被修理的时候，我要步行上学。根据句意可知本句含有被动语态的意思，排除C项。BD两项表示已经自行车已经被修理好。都不符合语义，本句是指自行车真正被修理的时候，我得步行上学。故A正确。